/*
 *
 *   Copyright 2017 the original author or authors.
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 *
 */

package org.powermock.core.bytebuddy;

import net.bytebuddy.description.method.MethodDescription;

import java.util.HashMap;
import java.util.Map;


public class MethodMaxLocals {
    
    private final Map<String, Integer> methodMaxLocals;
    
    MethodMaxLocals() {
        methodMaxLocals = new HashMap<String, Integer>();
    }
    
    public void add(String name, String signature, int maxLocals) {
        methodMaxLocals.put(name + signature, maxLocals);
    }
    
    public int getMethodMaxLocal(final MethodDescription instrumentedMethod) {
        final String key = instrumentedMethod.getInternalName() + instrumentedMethod.getDescriptor();
        final Integer maxLocals = methodMaxLocals.get(key);
        return maxLocals == null ? 0 : maxLocals;
    }
}
